V827332N04SXTL-A1 データシートの表示（PDF） - Mosel Vitelic Corporation

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V827332N04SXTL-A1

2.5 VOLT 32M x 72 HIGH PERFORMANCE REGISTERED ECC DDR SDRAM MODULE

Mosel Vitelic Corporation  

MOSEL VITELIC

Serial Presence Detect Information (cont.)

V827332N04S

Byte #

Function described

29 Minimum RAS to CAS delay(=tRCD)

30 Minimum active to precharge time(=tRAS)

31 Module Row density

32 Command and address signal input setup time

33 Command and address signal input hold time

34 Data signal input setup time

35 Data signal input hold time

36-40 Superset information (may be used in future)

41 SDRAM device minimum active to active/auto-refresh time

(=tRC)

42 SDRAM device minimum active to autorefresh to active/auto-refresh

time (=tRFC)

43 SDRAM device maximum device cycle time (=tCK MAX)

44 SDRAM device maximum skew between DQS and DQ signals

(=tDQSQ)

45 SDRAM device maximum read datahold skew factor (=tQHS)

62 SPD data revision code

63 Checksum for Bytes 0 ~ 62

64 Manufacturer JEDEC ID code

65 -71 ....... Manufacturer JEDEC ID code

72 Manufacturing location

73-90 Module part number (ASCII)

91 Manufacturer revison code (For PCB)

92 Manufacturer revison code (For component)

93 Manufacturing date (Week)

94 Manufacturing date (Year)

95~98 Assembly serial #

99~127 Manufacturer specific data (may be used in future)

128~255 Open for customer use

Function Supported

A1 B0 B1

20ns 20ns 18ns

50ns 45ns 45ns

256MB

1.1ns 0.9ns 0.9ns

1.1ns 0.9ns 0.9ns

0.6ns 0.5ns 0.5ns

0.6ns 0.5ns 0.5ns

-

70ns 65ns 60ns

Hex value

A1 B0 B1

50h 50h 48h

32h 2Dh 2Dh

40h

B0h 90h 90h

B0h 90h 90h

60h 50h 50h

60h 50h 50h

00h

46h 41h 3Ch

80ns 75ns 67ns 50h 4Bh 43h

12ns 12ns 12ns 30h 30h 30h

0.6ns 0.5ns 0.5ns 3Ch 32h 32h

1ns 0.75ns 0.75ns A0h 75h 75h

Initial release

00h

-

F5

3B

DA

Mosel Vitelic

40h

00h

02=Taiwan 05=China

0A=S-CH

V827332N04S

0

00

0

00

-

-

-

-

-

-

Undefined

00h

Undefined

00h

V827332N04S Rev. 1.1 May 2002

6

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